Reach-around protection for busbars, Siemens 8US system, for size NH1, accessories for fuse switch disconnectors 3NP1 Fuse switch disconnectors 3NP up to 630 A with improved personal and system protection and convenient connection technology. The fuse switch disconnectors protect systems in industry or infrastructure from overload and short circuits and are suitable for cross-industry use. The reach-around and touch protection included as standard in the new Sentron 3NP1 series prevents the user from touching live parts when assembling busbar systems, even when accessing from the rear. In addition, the user can easily see the fuses used through the large viewing window. The Siemens 3NP fuse switch disconnectors are characterized above all by: 1. Extremely flexible thanks to modular design and consistent accessories. 2. Suitable for floor mounting, top hat rail and Siemens busbar system 8US 3. Electronic fuse monitoring function including network monitoring. 4. Five sizes from 100 A to 630 A up to protection class IP40. 5. Fast and safe conversion for cable outlet at the top / bottom. 6. Flexible switching times of the auxiliary switch possible (simultaneous or leading). 7. Possibility of locking and sealing. www.siemens.de/schaltgeraete. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, installation distributors as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.
